Finding the Fourth Proportional to 72,013.55, 99,304.95 and 47,805.96

Step by Step Solution

1. Step 1: Write the proportion equation
   72,013.55 : 99,304.95 = 47,805.96 : x
2. Step 2: Convert to fraction form
   72,013.55/99,304.95 = 47,805.96/x
3. Step 3: Cross multiply
   72,013.55x = 99,304.95 × 47,805.96
4. Step 4: Simplify right side
   72,013.55x = 4,747,369,019.17
5. Step 5: Solve for x
   x = 4,747,369,019.17/72,013.55
6. Step 6: Final answer
   x = 65,923.28